/Engine/Source/Runtime/Engine/Classes/Materials/MaterialExpression.h
[UE::HLSLTree::FScope](API\Runtime\Engine\HLSLTree\FScope) * NewScopeWithStatements ( [FMaterialHLSLGenerator](API\Runtime\Engine\FMaterialHLSLGenerator) & Generator, [UE::HLSLTree::FScope](API\Runtime\Engine\HLSLTree\FScope) & Scope, EMaterialNewScopeFlag Flags ) const